content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -------------------------
   * SimpleDialScaleTests.java
   * -------------------------
   * (C) Copyright 2006-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 03-Nov-2006 : Version 1 (DG);
   * 24-Oct-2007 : Updated for API changes (DG);
   * 08-Jan-2012 : Added tests for valueToAngle() and angleToValue();
   *
   */
  
  package org.jfree.chart.plot.dial;
  
  import org.junit.jupiter.api.Test;
  
  import java.awt.BasicStroke;
  import java.awt.Color;
  import java.awt.Font;
  import java.awt.GradientPaint;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  
  
  /**
   * Tests for the {@link StandardDialScale} class.
   */
  public class StandardDialScaleTest  {
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          StandardDialScale s1 = new StandardDialScale();
          StandardDialScale s2 = new StandardDialScale();
          assertEquals(s1, s2);
  
          // lowerBound
          s1 = new StandardDialScale(10.0, 100.0, 0.0, 270.0, 10.0, 4);
          assertFalse(s1.equals(s2));
          s2 = new StandardDialScale(10.0, 100.0, 0.0, 270.0, 10.0, 4);
          assertEquals(s1, s2);
  
          // upperBound
          s1 = new StandardDialScale(10.0, 200.0, 0.0, 270.0, 10.0, 4);
          assertFalse(s1.equals(s2));
          s2 = new StandardDialScale(10.0, 200.0, 0.0, 270.0, 10.0, 4);
          assertEquals(s1, s2);
  
          // startAngle
          s1 = new StandardDialScale(10.0, 200.0, 20.0, 270.0, 10.0, 4);
          assertFalse(s1.equals(s2));
          s2 = new StandardDialScale(10.0, 200.0, 20.0, 270.0, 10.0, 4);
          assertEquals(s1, s2);
  
          // extent
          s1 = new StandardDialScale(10.0, 200.0, 20.0, 99.0, 10.0, 4);
          assertFalse(s1.equals(s2));
          s2 = new StandardDialScale(10.0, 200.0, 20.0, 99.0, 10.0, 4);
          assertEquals(s1, s2);
  
          // tickRadius
          s1.setTickRadius(0.99);
          assertFalse(s1.equals(s2));
          s2.setTickRadius(0.99);
          assertEquals(s1, s2);
  
          // majorTickIncrement
          s1.setMajorTickIncrement(11.1);
          assertFalse(s1.equals(s2));
          s2.setMajorTickIncrement(11.1);
          assertEquals(s1, s2);
  
          // majorTickLength
          s1.setMajorTickLength(0.09);
          assertFalse(s1.equals(s2));
          s2.setMajorTickLength(0.09);
          assertEquals(s1, s2);
  
          // majorTickPaint
          s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.yellow));
          assertFalse(s1.equals(s2));
          s2.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.yellow));
          assertEquals(s1, s2);
  
          // majorTickStroke
          s1.setMajorTickStroke(new BasicStroke(1.1f));
          assertFalse(s1.equals(s2));
          s2.setMajorTickStroke(new BasicStroke(1.1f));
          assertEquals(s1, s2);
  
          // minorTickCount
          s1.setMinorTickCount(7);
          assertFalse(s1.equals(s2));
          s2.setMinorTickCount(7);
          assertEquals(s1, s2);
  
          // minorTickLength
          s1.setMinorTickLength(0.09);
          assertFalse(s1.equals(s2));
          s2.setMinorTickLength(0.09);
          assertEquals(s1, s2);
  
          // tickLabelOffset
          s1.setTickLabelOffset(0.11);
          assertFalse(s1.equals(s2));
          s2.setTickLabelOffset(0.11);
          assertEquals(s1, s2);
  
          // tickLabelFont
          s1.setTickLabelFont(new Font("Dialog", Font.PLAIN, 15));
          assertFalse(s1.equals(s2));
          s2.setTickLabelFont(new Font("Dialog", Font.PLAIN, 15));
          assertEquals(s1, s2);
  
          // tickLabelPaint
          s1.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.WHITE,
                  3.0f, 4.0f, Color.green));
          assertFalse(s1.equals(s2));
          s2.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.WHITE,
                  3.0f, 4.0f, Color.green));
          assertEquals(s1, s2);
  
          s1.setTickLabelsVisible(false);
          assertFalse(s1.equals(s2));
          s2.setTickLabelsVisible(false);
          assertEquals(s1, s2);
  
          // check an inherited attribute
          s1.setVisible(false);
          assertFalse(s1.equals(s2));
          s2.setVisible(false);
          assertEquals(s1, s2);
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashCode() {
          StandardDialScale s1 = new StandardDialScale();
          StandardDialScale s2 = new StandardDialScale();
          assertEquals(s1, s2);
          int h1 = s1.hashCode();
          int h2 = s2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          // try a default instance
          StandardDialScale s1 = new StandardDialScale();
          StandardDialScale s2 = (StandardDialScale) s1.clone();
          assertNotSame(s1, s2);
          assertSame(s1.getClass(), s2.getClass());
          assertEquals(s1, s2);
  
          // try a customised instance
          s1 = new StandardDialScale();
          s1.setExtent(123.4);
          s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f,
                  4.0f, Color.WHITE));
          s1.setMajorTickStroke(new BasicStroke(2.0f));
          s2 = (StandardDialScale) s1.clone();
  
          assertNotSame(s1, s2);
          assertSame(s1.getClass(), s2.getClass());
          assertEquals(s1, s2);
  
          // check that the listener lists are independent
          MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
          s1.addChangeListener(l1);
          assertTrue(s1.hasListener(l1));
          assertFalse(s2.hasListener(l1));
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          // try a default instance
          StandardDialScale s1 = new StandardDialScale();
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(s1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          StandardDialScale s2 = (StandardDialScale) in.readObject();
              in.close();
  
          assertEquals(s1, s2);
  
          // try a customised instance
          s1 = new StandardDialScale();
          s1.setExtent(123.4);
          s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f,
                  4.0f, Color.WHITE));
          s1.setMajorTickStroke(new BasicStroke(2.0f));
  
          buffer = new ByteArrayOutputStream();
          out = new ObjectOutputStream(buffer);
              out.writeObject(s1);
              out.close();
  
          in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
              s2 = (StandardDialScale) in.readObject();
              in.close();
  
  
  
          assertEquals(s1, s2);
      }
  
      private static final double EPSILON = 0.0000000001;
  
      /**
       * Some checks for the valueToAngle() method.
       */
      @Test
      public void testValueToAngle() {
          StandardDialScale s = new StandardDialScale();
          assertEquals(175.0, s.valueToAngle(0.0), EPSILON);
          assertEquals(90.0, s.valueToAngle(50.0), EPSILON);
          assertEquals(5.0, s.valueToAngle(100.0), EPSILON);
          assertEquals(192.0, s.valueToAngle(-10.0), EPSILON);
          assertEquals(-12.0, s.valueToAngle(110.0), EPSILON);
  
          s = new StandardDialScale(0, 20, 180, -180.0, 10, 3);
          assertEquals(180.0, s.valueToAngle(0.0), EPSILON);
          assertEquals(90.0, s.valueToAngle(10.0), EPSILON);
          assertEquals(0.0, s.valueToAngle(20.0), EPSILON);
      }
  
      /**
       * Some checks for the angleToValue() method.
       */
      @Test
      public void testAngleToValue() {
          StandardDialScale s = new StandardDialScale();
          assertEquals(0.0, s.angleToValue(175.0), EPSILON);
          assertEquals(50.0, s.angleToValue(90.0), EPSILON);
          assertEquals(100.0, s.angleToValue(5.0), EPSILON);
          assertEquals(-10.0, s.angleToValue(192.0), EPSILON);
          assertEquals(110.0, s.angleToValue(-12.0), EPSILON);
  
          s = new StandardDialScale(0, 20, 180, -180.0, 10, 3);
          assertEquals(0.0, s.angleToValue(180.0), EPSILON);
          assertEquals(10.0, s.angleToValue(90.0), EPSILON);
          assertEquals(20.0, s.angleToValue(0.0), EPSILON);
      }
  }
  